Only those whom know of mbti will get it

I (Introvert)
E (Extrovert)
S (Sensing)
N (Intuition)
F (Feeling)
T (Thinking)
P (Perceiving)
J (Judging)

(Ne) Extroverted Intuition (Exploration/Excited Brainstorming) *Perceiving*
(Ni) Introverted Intuition (Perspectives/Keen Foreseeing) *Perceiving*
(Se) Extroverted Sensing (Sensation/Active Adapting) *Perceiving*
(Si) Introverted Sensing (Memory/Cautious Protecting) *Perceiving*
(Te) Extroverted Thinking (Effectiveness/Timely Building) *Judging*
(Ti) Introverted Thinking (Accuracy/Skillful Sleuthing) *Judging*
(Fe) Extroverted Feeling (Harmony/Friendly Hosting) *Judging*
(Fi) Introverted Feeling (Authenticity/Quiet Crusading) *Judging*

Mbti types:
Enfp (Ne, Fi, Te, Si)
Entp (Ne, Ti, Fe, Si)
Esfp (Se, Fi, Te, Ni)
Estp (Se, Ti, Fe, Ni)
Infj (Ni, Fe, Ti, Se)
Intj (Ni, Te, Fi, Se)
Isfj (Si, Fe, Ti, Ne)
Istj (Si, Te, Fi, Ne)
Infp (Fi, Ne, Si, Te)
Intp (Ti, Ne, Si, Fe)
Isfp (Fi, Se, Ni, Te)
Istp (Ti, Se, Ni, Fe)
Enfj (Fe, Ni, Se, Ti)
Entj (Te, Ni, Se, Fi)
Esfj (Fe, Si, Ne, Ti)
Estj (Te, Si, Ne, Fi)

FIRM Fixations
Freedom (E+P Types)
Invulnerability (I+J Types)
Rightness (I+P Types)
Management (E+J Types)